46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
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package trademodel
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import (
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"strings"
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"time"
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)
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const (
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SymbolTypeSpot = "spot"
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SymbolTypeIndex = "index"
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SymbolTypeFutures = "futures"
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)
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type Symbol struct {
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Name string `json:"name"`
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Symbol string `json:"code"`
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Exchange string `json:"exchange"`
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Description string `json:"description"`
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Type string `json:"type"`
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// 交易时间
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Session string `json:"session"`
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// price decimal places
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Precision int `json:"precision"`
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// amount decimal places
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AmountPrecision int `json:"volume_precision"`
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Expired bool `json:"expired"`
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// only use if expired = true
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ExpirationDate time.Time `json:"expiration_date"`
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Resolutions string `json:"resolutions"`
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// mini size between two price
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PriceStep float64 `json:"price_step"`
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// mini size between two amount
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AmountStep float64 `json:"amount"`
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}
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func (s *Symbol) GetResolutions() []string {
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return strings.Split(s.Resolutions, ",")
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}
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func (s *Symbol) FixPrice(price float64) float64 {
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return float64(int(price/s.PriceStep)) * s.PriceStep
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}
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